-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Two steps are required to cryptographically verify image integrity. 1. By verifying the integrity of this signature file, you can be sure that the checksums included in this file are valid. $ gpg --keyserver hkp://pool.sks-keyservers.net --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify turnkey-ezpublish-14.1-jessie-amd64-openstack.tar.gz.sig gpg: Good signature from "Turnkey Linux Release Key" 2. By calculating the image checksum and validating the hashed value is the same as listed below, you can be sure the image was not corrupted in transit or tampered with. $ md5sum turnkey-ezpublish-14.1-jessie-amd64-openstack.tar.gz 8ee680f0d33e9a657f0fa98b035b3c9f $ sha1sum turnkey-ezpublish-14.1-jessie-amd64-openstack.tar.gz ba21463775a0090d2411eaaeb7cf7c0f9e67d85d -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnyAAoJEIXCXpWhbrlNQQ0H/R8W8NhiOsZ+u6CL2DM4fKsE OewIi2he6Bk53ooofvuWwZAFJ0eRtVirmw9qb7BrrnRl/HtNu5AaG26lkoRSM7n0 QzegTAFE50QZ9SxwQuJbje2VNqxG1BZDLWwhWCtdQl1xu32QsevHLm6mYS2cJ2aQ NgLEdWFXN+n6fpPqIJ7uwQiFIqj/UAV2XEX2W4ynUP0CoQujqJ42KFM2eZrsucwt rJtkKD8bG0FbYCpkiwLvBZR6a7vgXLTJpM7xnh3HVIoVNCG/cbb6xYpvf5qzddyq X6KMmvDYFFnGGnOvtV+98Z2cDgCF3DVQE5o4SFtAlX9CULE9M/sigN8bMXizJdc= =uXgA -----END PGP SIGNATURE-----